diff options
Diffstat (limited to 'net/resolvers/basic.lua')
| -rw-r--r-- | net/resolvers/basic.lua | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/net/resolvers/basic.lua b/net/resolvers/basic.lua index 08c71ef5..75c23a58 100644 --- a/net/resolvers/basic.lua +++ b/net/resolvers/basic.lua @@ -2,10 +2,16 @@ local adns = require "net.adns"; local inet_pton = require "util.net".pton; local inet_ntop = require "util.net".ntop; local idna_to_ascii = require "util.encodings".idna.to_ascii; +local unpack = table.unpack or unpack; -- luacheck: ignore 113 local methods = {}; local resolver_mt = { __index = methods }; +-- TODO Respect use_ipv4, use_ipv6 +-- FIXME RFC 6724 +-- FIXME #1428 Reuse DNS resolver object (from service resolver) +-- FIXME #1429 Close DNS resolver object when done + -- Find the next target to connect to, and -- pass it to cb() function methods:next(cb) @@ -36,23 +42,32 @@ function methods:next(cb) -- Resolve DNS to target list local dns_resolver = adns.resolver(); - dns_resolver:lookup(function (answer) - if answer then - for _, record in ipairs(answer) do - table.insert(targets, { self.conn_type.."4", record.a, self.port, self.extra }); + + if not self.extra or self.extra.use_ipv4 ~= false then + dns_resolver:lookup(function (answer) + if answer then + for _, record in ipairs(answer) do + table.insert(targets, { self.conn_type.."4", record.a, self.port, self.extra }); + end end - end + ready(); + end, self.hostname, "A", "IN"); + else ready(); - end, self.hostname, "A", "IN"); + end - dns_resolver:lookup(function (answer) - if answer then - for _, record in ipairs(answer) do - table.insert(targets, { self.conn_type.."6", record.aaaa, self.port, self.extra }); + if not self.extra or self.extra.use_ipv6 ~= false then + dns_resolver:lookup(function (answer) + if answer then + for _, record in ipairs(answer) do + table.insert(targets, { self.conn_type.."6", record.aaaa, self.port, self.extra }); + end end - end + ready(); + end, self.hostname, "AAAA", "IN"); + else ready(); - end, self.hostname, "AAAA", "IN"); + end end local function new(hostname, port, conn_type, extra) |